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Cactoblastis cactorum, the cactus moth, South American cactus moth or nopal moth, is native to Argentina, Paraguay, Uruguay and southern Brazil. It is one of five species in the genus Cactoblastis that inhabit South America , where many parasitoids , predators and pathogens control the expansion of the moths' population.
Melitara dentata, the North American cactus moth, is a moth of the family Pyralidae. The species was first described by Augustus Radcliffe Grote in 1876. It is native to western North America, where it is widespread from Alberta to southern Arizona and central Texas. It is an introduced species in Hawaii. Larva Damage on Opuntia cymochila
This plant, like other Opuntia species, is attacked by cactus moth. Other common names for this species, and ones which are now considered variants of this species, include plateau prickly-pear, New Mexico prickly-pear, and Kingman prickly-pear. The species is widespread, from California south to Mexico and the Southwest United States.
Cactoblastis cactorum (Berg, 1885) – South American cactus moth; Cactoblastis doddi Heinrich, 1939; Cactoblastis mundelli Heinrich, 1939; Cactoblastis ronnai ...
A monument to the Cactoblastis cactorum moth at Dalby, Queensland. Prickly pear forest circa 1930 Infestation of O. tomentosa 2019, near Yelarbon, Queensland. Prickly pears (genus Opuntia) include a number of plant species that were introduced and have become invasive in Australia.
The cactus is due to invade Yala National Park. [12] The opposite problem has been encountered in Texas, where Cactoblastis cactorum was first found in Brazoria County in 2017. This species of moth is highly destructive to this (and other) species of cactus native to the southern United States and northern Mexico. [13]
However, a potential threat is one found in all members of the genus Opuntia – the cactus moth (Cactoblastis cactorum), [3] an invasive species that arrived to Florida in 1989 and has been a serious threat to the cacti in this genus all over North America. [3]
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